From 2cc89d30dbfef1b0d761738db72dffdc75b8215f Mon Sep 17 00:00:00 2001
From: wangxiaolei <fatelei@gmail.com>
Date: Tue, 6 Jan 2026 16:39:04 +0800
Subject: [PATCH] feat: use more universal C.UTF-8 instead of en_US.UTF-8
 (#30621)

---
 api/docker/entrypoint.sh            | 5 +++--
 docker/.env.example                 | 4 ++--
 docker/docker-compose-template.yaml | 3 ++-
 docker/docker-compose.yaml          | 7 ++++---
 4 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/api/docker/entrypoint.sh b/api/docker/entrypoint.sh
index 5a69eb15ac..c0279f893b 100755
--- a/api/docker/entrypoint.sh
+++ b/api/docker/entrypoint.sh
@@ -3,8 +3,9 @@
 set -e
 
 # Set UTF-8 encoding to address potential encoding issues in containerized environments
-export LANG=${LANG:-en_US.UTF-8}
-export LC_ALL=${LC_ALL:-en_US.UTF-8}
+# Use C.UTF-8 which is universally available in all containers
+export LANG=${LANG:-C.UTF-8}
+export LC_ALL=${LC_ALL:-C.UTF-8}
 export PYTHONIOENCODING=${PYTHONIOENCODING:-utf-8}
 
 if [[ "${MIGRATION_ENABLED}" == "true" ]]; then
diff --git a/docker/.env.example b/docker/.env.example
index 66d937e8e7..09ee1060e2 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -58,8 +58,8 @@ FILES_URL=
 INTERNAL_FILES_URL=
 
 # Ensure UTF-8 encoding
-LANG=en_US.UTF-8
-LC_ALL=en_US.UTF-8
+LANG=C.UTF-8
+LC_ALL=C.UTF-8
 PYTHONIOENCODING=utf-8
 
 # ------------------------------
diff --git a/docker/docker-compose-template.yaml b/docker/docker-compose-template.yaml
index 3c88cddf8c..709aff23df 100644
--- a/docker/docker-compose-template.yaml
+++ b/docker/docker-compose-template.yaml
@@ -475,7 +475,8 @@ services:
       OB_CLUSTER_NAME: ${OCEANBASE_CLUSTER_NAME:-difyai}
       OB_SERVER_IP: 127.0.0.1
       MODE: mini
-      LANG: en_US.UTF-8
+      LANG: C.UTF-8
+      LC_ALL: C.UTF-8
     ports:
       - "${OCEANBASE_VECTOR_PORT:-2881}:2881"
     healthcheck:
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 54b9e744f8..712de84c62 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -13,8 +13,8 @@ x-shared-env: &shared-api-worker-env
   APP_WEB_URL: ${APP_WEB_URL:-}
   FILES_URL: ${FILES_URL:-}
   INTERNAL_FILES_URL: ${INTERNAL_FILES_URL:-}
-  LANG: ${LANG:-en_US.UTF-8}
-  LC_ALL: ${LC_ALL:-en_US.UTF-8}
+  LANG: ${LANG:-C.UTF-8}
+  LC_ALL: ${LC_ALL:-C.UTF-8}
   PYTHONIOENCODING: ${PYTHONIOENCODING:-utf-8}
   LOG_LEVEL: ${LOG_LEVEL:-INFO}
   LOG_OUTPUT_FORMAT: ${LOG_OUTPUT_FORMAT:-text}
@@ -1157,7 +1157,8 @@ services:
       OB_CLUSTER_NAME: ${OCEANBASE_CLUSTER_NAME:-difyai}
       OB_SERVER_IP: 127.0.0.1
       MODE: mini
-      LANG: en_US.UTF-8
+      LANG: C.UTF-8
+      LC_ALL: C.UTF-8
     ports:
       - "${OCEANBASE_VECTOR_PORT:-2881}:2881"
     healthcheck: